Transmission power control method for a radio communications apparatus

(19)

(11)

EP 1 164 715 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	23.07.2003 Bulletin 2003/30

(43)	Date of publication A2:
	19.12.2001 Bulletin 2001/51

(21)	Application number: 01114273.4

(22)	Date of filing: 12.06.2001

(51)	International Patent Classification (IPC)⁷: H04B 7/005, H03G 3/30

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

13.06.2000 JP 2000177029

(71)	Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
	Kadoma-shi, Osaka 571-0050 (JP)

(72)	Inventor:
	Ichikawa, Yasufumi Yokohama-shi, Kanagawa 241-0821 (JP)

(74)	Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
	Maximilianstrasse 58 80538 München 80538 München (DE)

(54)	Transmission power control method for a radio communications apparatus

(57) Radio communications apparatus according to the invention comprises a DAC, a variable power amplification unit including at least two variable power amplifiers, and variable power amplification control unit for controlling the variable power amplifiers. The variable power amplification control unit controls the variable power amplifiers in order to upgrade the accuracy of the apparatus and assures a smaller apparatus design.

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